JP5953045B2 - バイオマスを用いたエタノール製造方法 - Google Patents
バイオマスを用いたエタノール製造方法 Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Processing Of Solid Wastes (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Treatment Of Sludge (AREA)
Description
(1)セルロース系バイオマスを、加水分解酵素と発酵微生物である酵母とにより同時に反応させる同時糖化発酵反応によりエタノールを製造する方法において、
該セルロース系バイオマスを、厨芥、食品廃棄物、農産廃棄物、畜産廃棄物、下水汚泥、有機性汚泥のうちの1種以上から構成される有機性廃棄物とともに同時糖化発酵反応に付し、
反応槽当たりの酵母の初期添加乾燥重量を0.125〜0.0025g/kgとすることを特徴とする、方法;および
(2)同時糖化発酵反応時の前記セルロース系バイオマスの濃度が、総反応量に対して10〜25%である、上記(1)に記載の方法;
に関する。
(比較例1)
一般廃棄物から手選別により紙類を抽出し、パルピング(離解)処理を行った。得られたパルプをスクリーンにより異物を除去後、スクリュープレスにて脱水した紙パルプをセルロース系バイオマスとした。得られた紙パルプのホロセルロース含量は約85%であった。
前記紙パルプに、一般廃棄物より手選別後ミキサーにて細分化した厨芥を混合してSSF反応を行った。
紙パルプのみの原料において十分な酵母量(1.25g/kg)を用いた場合、紙パルプのみの原料において少ない酵母使用量(0.025g/kg)を用いた場合、厨芥を1割含む混合原料において十分な酵母使用量(0.025g/kg)を用いた場合、および厨芥を2割含む混合原料において十分な酵母使用量(0.025g/kg)を用いた場合の4通りについて、実施例1と同様の条件にてSSF反応を行った。
Claims (2)
- セルロース系バイオマスを、加水分解酵素と発酵微生物である酵母とにより同時に反応させる同時糖化発酵反応によりエタノールを製造する方法において、
該セルロース系バイオマスを、厨芥、食品廃棄物、農産廃棄物、畜産廃棄物、下水汚泥、有機性汚泥のうちの1種以上から構成される有機性廃棄物とともに同時糖化発酵反応に付し、
該有機性廃棄物は、同時糖化発酵反応に付す前に細分化の処理のみが施されたものであり、
同時糖化発酵反応期間が2日以上を要するものであり、
反応槽当たりの酵母の初期添加乾燥重量を0.125〜0.0025g/kgとすることを特徴とする、方法。 - 同時糖化発酵反応時の前記セルロース系バイオマスの濃度が、総反応量に対して10〜25%である、請求項1に記載の方法。
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JP2012004795A JP5953045B2 (ja) | 2012-01-13 | 2012-01-13 | バイオマスを用いたエタノール製造方法 |
CN2013100112604A CN103205467A (zh) | 2012-01-13 | 2013-01-11 | 利用生物质制备乙醇的方法 |
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JP2017006891A (ja) * | 2015-06-26 | 2017-01-12 | 日立造船株式会社 | 廃棄物中のバイオマスを原料として有用物を得る廃棄物処理方法 |
CN111902542A (zh) * | 2018-03-27 | 2020-11-06 | 积水化学工业株式会社 | 乙醇的制造方法和乙醇组合物 |
CN116120114B (zh) * | 2022-12-09 | 2024-01-12 | 杭州楠大环保科技有限公司 | 一种厨房垃圾资源化利用生产新型肥料的方法 |
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JP2005211805A (ja) * | 2004-01-30 | 2005-08-11 | Hitachi Kiden Kogyo Ltd | 廃棄物焼却施設におけるエタノール生産方法 |
DE602006012536D1 (de) * | 2005-09-30 | 2010-04-08 | Dong Energy Generation As | Ohne druck erfolgende vorbehandlung, enzymatische hydrolyse und fermentation von abfallfraktionen |
JP5311548B2 (ja) * | 2008-07-31 | 2013-10-09 | 独立行政法人農業・食品産業技術総合研究機構 | 稲の糖化法 |
JP2010094093A (ja) * | 2008-10-17 | 2010-04-30 | National Institute Of Advanced Industrial Science & Technology | 柑橘類外皮からエタノールを製造する方法 |
JP2011211973A (ja) * | 2010-03-31 | 2011-10-27 | Hitachi Zosen Corp | バイオエタノールの製造方法 |
JP5564309B2 (ja) * | 2010-03-31 | 2014-07-30 | 日立造船株式会社 | 廃棄物由来バイオマス原料の調製方法 |
JP5564310B2 (ja) * | 2010-03-31 | 2014-07-30 | 日立造船株式会社 | 廃棄物由来バイオマス原料の糖化発酵方法 |
CN102174591A (zh) * | 2011-02-01 | 2011-09-07 | 中国科学院过程工程研究所 | 一种连续固态发酵餐厨垃圾生产乙醇的方法 |
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